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Summary
| Description |
English: This is a world map of main field total intensity created by the National Geophysical Data Center at NOAA. |
| Date | |
| Source | http://www.ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_F_MERC.pdf |
| Author | NOAA/NGDC & CIRES |
| Other versions | File:WMM2010 F MERC.jpg |
Licensing
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:29, 5 October 2011 |  | 5,400 × 3,600 (866 KB) | RockMagnetist |
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